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Tradefox says "Account already in use"
If you see a message stating that your account is already in use, it typically means our security system has detected multiple active sessions or that the email address you’re trying to use is already linked to an existing profile.
Multiple devices and simultaneous logins
To protect your progress and certification data, Tradefox generally limits active simulations to one device at a time.
- Check your other devices: If you were recently practicing a simulation on a tablet or a computer at school, make sure you have closed the app or signed out before trying to log in on your phone.
- “Force Sign Out”: If you left the app open on a device you no longer have access to, you can usually resolve this by changing your password at tradefoxapp.com. This will automatically sign you out of all other active sessions.
Trying to create a new account?
If you see this error while trying to Sign Up, it means the email address you entered is already registered in our system.
- Try Signing In instead: Go to the Sign In page rather than the “Create Account” page.
- Recover your password: If you don’t remember setting up an account, use the Forgot Password link to see if you receive a reset email.
- Social Logins: You may have previously signed up using your Google or Apple ID. Try clicking those icons to see if your account is linked there.
Shared school or business accounts
If you are part of a school or apprenticeship program and receive this error:
- Unique Usernames: Ensure you aren’t trying to use a shared “Classroom” login that another student is currently using.
- Instructor Assignments: If your instructor told you an account was created for you, do not try to “Sign Up” for a new one. Use the specific credentials or invitation link they provided.
Shared browser sessions
If you are using a shared computer (like in a library or computer lab):
- Sign out of any current Tradefox sessions.
- Clear your browser’s cookies and cache.
- Restart the browser and try signing in again.
Still seeing the error?
If you are certain you aren’t logged in elsewhere and you cannot access your account, it may be a “ghost session” (where the server thinks you’re still active).
- Wait 10 minutes: Most sessions will automatically time out after a short period of inactivity.
- Contact Support: If the error persists, email us at info@tradefoxapp.com with your username, and we can manually reset your active sessions for you.
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